Flow price: --
03b28247987ed8c5388b7007ae226aa450b9cd7911f5a26599d5e2c4d895fcf7

Transaction

Hash: 03b28247987ed8c5388b7007ae226aa450b9cd7911f5a26599d5e2c4d895fcf7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 03b28247987ed8c5388b7007ae226aa450b9cd7911f5a26599d5e2c4d895fcf7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
03b28247987ed8c5388b7007ae226aa450b9cd7911f5a26599d5e2c4d895fcf7
Status:
ERROR
Block height:
40073034
Block id:
c725798dc32f35be27f4f1aa8af022dc7792f2cf9388757d8a281553f9de4b22
Timestamp:
Monday 31 October 2022 at 23:01:18 UTC
()
Proposer:
Authorizers:
Gas used:
50